#408EFF#408EFF

#408EFF is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.6% C 0.185 H 258.1°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#408EFF
RGB	rgb(64, 142, 255)
HSL	hsl(215, 100%, 63%)
HSV	hsv(215, 75%, 100%)
CMYK	cmyk(74.9%, 44.3%, 0%, 0%)
CIE-LAB	lab(59.57, 14.04, -63.03)
CIE-LCH	lch(59.57, 64.58, 282.56°)
OKLab	oklab(65.56% -0.0381 -0.1807)
OKLCH	oklch(65.56% 0.185 258.1)
XYZ	xyz(29.8307, 27.6526, 98.3537)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408EFF #FFB140

analogous

#40EEFF #408EFF #5140FF

triadic

#408EFF #FF408E #8EFF40

tetradic

#408EFF #FF40EE #FFB140 #40FF51

square

#408EFF #FF40EE #FFB140 #40FF51

split-complementary

#408EFF #FF5140 #EEFF40

monochromatic

#0050C5 #036AFF #408EFF #7DB2FF #BAD6FF

Accessibility & contrast

On white

3.22

#408EFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#408EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408EFF

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408EFF	#FFFFFF	#000000	##000000
##408EFF	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5499FF

Deuteranopia (green-blind)

#2B87FD

Tritanopia (blue-blind)

#00A9BA

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #408eff;
/* rgb */ color: rgb(64, 142, 255);
/* oklch */ color: oklch(65.6% 0.185 258.1);

Tailwind

colors: {
  custom: {
    50: '#8daeff',
    500: '#408eff',
    950: '#000000',
  },
}

SCSS

$custom: #408eff;
$custom-light: #8daeff;
$custom-dark: #000000;

JSON

{
  "hex": "#408eff",
  "rgb": {
    "r": 64,
    "g": 142,
    "b": 255
  },
  "hsl": {
    "h": 215.497,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65564,
    "c": 0.18467,
    "h": 258.1
  },
  "luminance": 0.27656
}

Semantic roles & 50–950 ramp

primary

#408EFF

secondary

#F0D4AB

accent

#8800E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #408EFF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →